Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45610&t=%EC%9E%AC%EC%A0%95%EB%B9%84%EC%B4%89%EC%A7%84%EC%A7%80%EA%B5%AC%20%EB%82%B4%20%EC%A1%B4%EC%B9%98%EC%A7%80%EC%97%AD%EC%9D%98%20%EA%B8%B0%EB%B0%98%EC%8B%9C%EC%84%A4%20%ED%99%95%EC%B6%A9%EC%9D%84%20%EC%9C%84%ED%95%9C%20%EA%B3%B5%EC%9B%90%20%EC%84%9C%EB%B9%84%EC%8A%A4%EC%88%98%EC%A4%80%20%EC%8B%9C%EB%AE%AC%EB%A0%88%EC%9D%B4%EC%85%98%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45610&text=%EC%9E%AC%EC%A0%95%EB%B9%84%EC%B4%89%EC%A7%84%EC%A7%80%EA%B5%AC%20%EB%82%B4%20%EC%A1%B4%EC%B9%98%EC%A7%80%EC%97%AD%EC%9D%98%20%EA%B8%B0%EB%B0%98%EC%8B%9C%EC%84%A4%20%ED%99%95%EC%B6%A9%EC%9D%84%20%EC%9C%84%ED%95%9C%20%EA%B3%B5%EC%9B%90%20%EC%84%9C%EB%B9%84%EC%8A%A4%EC%88%98%EC%A4%80%20%EC%8B%9C%EB%AE%AC%EB%A0%88%EC%9D%B4%EC%85%98%20%EC%97%B0%EA%B5%AC
[4] http://www.si.re.kr/taxonomy/term/18533
[5] http://www.si.re.kr/si_download/45610/9084
[6] http://www.si.re.kr/studies_on/18533